Effects of Fall Sowing Dates on Winter Survival and Dry Matter Yields of Alfalfa in the Central Area of South Korea
(주)코리아스칼라
- 최초 등록일
- 2023.10.23
- 최종 저작일
- 2023.09
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서지정보
ㆍ발행기관 : 한국초지조사료학회
ㆍ수록지정보 : 한국초지조사료학회지 / 43권 / 3호
ㆍ저자명 : Seung Min Jung, Bae Hun Lee, Ki Won Lee, Mirae Oh, Hyung Soo Park
목차
Ⅰ. INTRODUCTION
Ⅱ. MATERIALS AND METHODS
1. Experimental design
2. Analysis of yield and feed value
3. Statistical analysis
Ⅲ. RESULTS AND DISCUSSION
1. Average temperature and precipitation
2. Winter survival rate and growth characteristic
3. Feed value
Ⅳ. CONCLUSIONS
Ⅴ. ACKNOWLEDGEMENTS
영어 초록
This study was conducted to determine the appropriate seeding dates by verifying the difference in winter survival and productivity of alfalfa according to fall sowing dates in the central area of South Korea. The experiment was conducted for 2 years (2020 and 2021) at the field in the Department of Animal Resources Development, NIAS located in Cheonan. Sowing dates started from September 18 to November 8 with 10 days of intervals during 2020 and 2021; SO1 (September 18), SO2 (September 28), SO3 (October 8), SO4 (October 18), SO5 (October 28), and SO6 (November 8). After sowing, the winter survival rate was measured in the spring of the following year, and the dry matter yield was measured by harvesting at 10% flowering and harvesting five times a year. SO6 failed to winter survival, and SO5 also had a lower winter survival rate than SO1~4 (p<0.05). The average annual dry matter yield of alfalfa linearly decreased with delaying sowing dates (p<0.05). The feed value did not differ in the same year by delaying the sowing date in the same year. These results suggest that sowing date should be started before October 18 to increase winter survival and productivity of alfalfa in the central area of South Korea.
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